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Keysino Separation Technology Inc. — Investor Relations & Filings

Ticker · 300899 ISIN · CNE100004892 Shenzhen Stock Exchange Water supply; sewerage, waste management and remediation activities
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Filings indexed 633 across all filing types
Latest filing 2025-04-16 Board/Management Inform…
Country CN China
Listing Shenzhen Stock Exchange 300899

About Keysino Separation Technology Inc.

https://www.keysino.cn

Keysino Separation Technology Inc. specializes in the research, development, and application of advanced membrane separation technologies. The company provides comprehensive solutions for industrial fluid treatment, process optimization, and environmental protection. Its core product portfolio includes ultrafiltration, nanofiltration, and reverse osmosis systems, alongside specialized ceramic membranes designed for harsh operating environments. Keysino focuses on delivering integrated systems for wastewater treatment, zero liquid discharge (ZLD), and the recovery of valuable resources from industrial waste streams. Serving sectors such as petrochemicals, pharmaceuticals, metallurgy, and food processing, the company emphasizes energy efficiency and sustainable resource management. By leveraging proprietary membrane materials and engineering expertise, Keysino enables industrial clients to improve product purity, reduce operational costs, and meet stringent environmental standards.

Recent filings

Filing Released Lang Actions
第四届董事会第四次会议决议公告
Board/Management Information Classification · 95% confidence The document is a formal announcement of the resolutions passed at the fourth meeting of the fourth board of directors of Shanghai Kaixin Separation Technology Co., Ltd. It details the meeting's convening, attendance, and the approval of a specific internal policy (舆情管理制度 - Public Opinion Management System). There is no financial data, no report publication, no voting results from a shareholder meeting, and no mention of changes in board members or senior management. The document is a board meeting resolution announcement, which fits best under Board/Management Information (MANG) as it relates to board activities and decisions. The document length is short and it is not a report or a regulatory filing but a formal board meeting resolution announcement.
2025-04-16 Chinese
关于变更持续督导保荐代表人的公告
Regulatory Filings Classification · 95% confidence The document is an announcement regarding the change of continuous supervision sponsors (保荐代表人) for a company listed on the stock exchange. It details personnel changes in the sponsor representatives responsible for ongoing supervision duties related to the company's IPO and listing. There is no financial data, no report attached or referenced as being published, and no mention of voting results or management changes at the board level. This is a regulatory announcement about sponsor representative changes, which does not fit into categories like Annual Report, Interim Report, or Management Information. It is best classified under Regulatory Filings (RNS) as a general regulatory announcement that does not fit other specific categories.
2025-03-28 Chinese
第四届董事会第三次会议决议公告
Board/Management Information Classification · 100% confidence The document is an announcement of the resolutions passed at the third meeting of the fourth board of directors of Shanghai Kaixin Separation Technology Co., Ltd. It details the appointment of a new deputy general manager and board secretary, including voting results and compliance with relevant laws and regulations. There is no financial data, earnings information, or report publication mentioned. The content focuses on board/management changes and meeting resolutions. Therefore, the document fits the category of Board/Management Information (MANG). The document length is short and it is not a report or announcement of a report publication, so it is not RPA or RNS.
2025-01-09 Chinese
关于董事会秘书辞职暨聘任副总经理、董事会秘书的公告
Board/Management Information Classification · 100% confidence The document is an announcement regarding the resignation of the company's board secretary and the appointment of a new board secretary who is also a deputy general manager. It includes details about the outgoing and incoming individuals, their qualifications, and compliance with relevant regulations. There is no financial data, earnings information, or report publication mentioned. The content focuses on changes in senior management and board-related roles. Therefore, this fits the category of Board/Management Information (MANG). The document length is short and it is clearly an announcement, not a full report or financial statement.
2025-01-09 Chinese
关于部分股东股份减持计划实施完毕及减持期限届满的公告
Transaction in Own Shares Classification · 100% confidence The document is a formal announcement from Shanghai Kaixin Separation Technology Co., Ltd. regarding the completion and expiration of a shareholder stock reduction plan. It details the shareholders involved, the number of shares reduced, the reduction period, and compliance with relevant securities laws and regulations. The content focuses on the shareholders' transactions in their own shares, including specific share counts and percentages before and after the reduction. There is no financial performance data, earnings information, or management discussion. The document is not a report but an official notification about shareholding changes by insiders. Therefore, it fits the category of 'Transaction in Own Shares' (POS). The document length is 2299 characters, which is consistent with an announcement rather than a full report.
2024-11-21 Chinese
2024年三季度报告
Interim / Quarterly Report Classification · 100% confidence The document is titled as the "2024 Third Quarter Report" of Shanghai Kaixin Separation Technology Co., Ltd. It contains detailed financial data including balance sheets, profit and loss statements, cash flow statements, and shareholder information for the third quarter of 2024. The report explicitly states it is a quarterly report and is unaudited. The content includes comprehensive financial statements and analysis for a period shorter than a full fiscal year, consistent with an Interim / Quarterly Report. There is no indication that this is an announcement of a report or a certification document, but the full report itself. Therefore, the document fits the definition of an Interim / Quarterly Report (IR).
2024-10-24 Chinese

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